@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&display=swap');

/* ---------- Variables ---------- */
:root {
  color-scheme: light dark;
  --colour-text:       light-dark(#22221B, #a5a5a5);
  --colour-text-muted: light-dark(#B3B3B3, #494946);
  --colour-background: light-dark(#f2f2f8, #161616);
  --colour-surface:    light-dark(#dedede, #2F2F2D);
  --colour-accent:     light-dark(#0f8040, #0f8040);
  --colour-on-accent:  light-dark(#22221B, #f2f2f8);
  --max-width: 60rem;
}

:root[data-theme="light"] { color-scheme: light; }
:root[data-theme="dark"]  { color-scheme: dark; }


/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'DM Sans', sans-serif;
  line-height: 1.6;
  color: var(--colour-text);
  background-color: var(--colour-background);
  margin-top:5rem;
}

h1, h2, h3, h4, h5, h6 {
  font-size: inherit;
  font-weight: inherit;
  line-height: 1.2;
}

ul, ol {
  list-style: none;
}

img, picture, video, canvas {
  display: block;
  max-width: 100%;
}

button, input, select, textarea {
  font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

/* ---------- Layout ---------- */
header,
main,
footer {
  max-width: var(--max-width);
  margin-inline: auto;
  padding: 1rem;
}

/* ---------- Links ---------- */
a {
  color: var(--colour-accent);
  text-decoration: none;
}

a:focus-visible {
  outline: 2px solid var(--colour-accent);
  outline-offset: 2px;
}

/* ---------- Temporary spacing ---------- */
main > * + * {
  margin-top: 1rem;
}

/* ---------- Text selection ---------- */
::selection {
  background-color: var(--colour-accent);
  color: var(--colour-on-accent);
}

/* ---------- Nav layout ---------- */
nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* ---------- Theme toggle ---------- */
.theme-toggle {
  --toggle-padding: 0.25rem 0.75rem;
  --toggle-size: 0.700rem;
  --toggle-radius: 4px;
  --toggle-border: 1px;
  --toggle-offset: 1rem;                          

  position: fixed;                              
  top: var(--toggle-offset);                    
  right: var(--toggle-offset);                   
  z-index: 100;                                 

  padding: var(--toggle-padding);
  font-size: var(--toggle-size);
  border: var(--toggle-border) solid currentColor;
  border-radius: var(--toggle-radius);
  color: var(--colour-text);
  background-color: var(--colour-background);  
  cursor: pointer;
}

.theme-toggle[aria-pressed="true"] {
  color: var(--colour-on-accent);
  background-color: var(--colour-accent);
  border-color: var(--colour-accent);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--colour-accent);
  outline-offset: 2px;
}

@media (hover: hover) {
  .theme-toggle:hover {
    opacity: 0.8;
  }
}

/* ---------- WIP notes ---------- */
.entry {
  background-color: var(--colour-surface);
  margin-top: 0.5rem;
  padding: 1rem;
  border-radius: 0.5rem;
}

.lead {
  color: var(--colour-text-muted);
}

.entry ul {
  list-style: disc;
  padding-left: 1.25rem;
}


/* ---------- Footer -------- */
.site-footer {
    border-top: 1px solid var(--colour-surface);
    padding: 24px 0;
    margin-top: 60px;
    font-size: 14px;
}

.footer-inner {
    max-width: 60rem;
    margin: 0 auto;
    padding: 0 20px;

    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.site-footer p {
    margin: 0;
    color: var(--colour-accent);
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    color: var(--colour-accent);
    text-decoration: none;
}

.social-links a:hover {
    color: var(--colour-accent);
}

@media (max-width: 600px) {
    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}